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| Product Name | KairDa NDT150 Roughness Gauge | Ipre RA150 Asperity Profile Gauge |
| Product Price | $683.00 | $12184.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Handheld | desktop |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness Waviness Contour/Form |
| Measurement parameters | Ra Rz Rq Rt Rp Rv RSm Rmr(c) Others | Ra Rz Rq Rt Rp Rv RSm Rmr(c) Others |
| Test object | General workpiece | General workpiece |
| Measuring Range | >50μm | >50μm |
| Accuracy | ±10% | Others |
| Sampling Length | Multi-range | Multi-range |
| Sensor Configuration | Standard Small Bore Curved Surface Lateral/Extension | Standard |
| Applicable Workpiece | Flat Surface/Shaft Groove/Slot Curved Surface Deep Hole Narrow Space | Flat Surface/Shaft Groove/Slot Curved Surface |
| Parameter comparison | ||
| Measurement Range Z axis (vertical) | 160μm | |
| Measurement Range X axis (horizontal) | 17.5mm | |
| Resolution Z axis (vertical) | 0.01μm/±20μm, 0.02μm/±40μm, 0.04μm/±80μm | |
| Measurement items, parameters | Ra, Rz==Ry(JIS), Rq, Rt==Rmax, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, Rmr, RPc, Rk, Rpk, Rvk, Mr1, Mr2 | |
| Measurement items, standards | ISO, ANSI, DIN, JIS | |
| Measurement items, graphics | Linear dispersion, asperity profile, direct profile | |
| filter | RC, PC-RC, Gauss, D-P | |
| Sampling length | 0.25, 0.8, 2.5mm | |
| evaluation length | Ln= lr*n, n=1~5 | |
| Sensor Measurement principle | Displacement Differential Inductance | |
| Sensor stylus | Natural diamond, 90 cone angle, 5 μm tip radius | |
| Sensor force measurement | <4mN | |
| Sensor guide | Carbide, slide direction radius 40mm | |
| Sensor coasting speed lr = 0.25 | Vt=0.135mm/s | |
| Sensor coasting speed lr = 0.8 | Vt=0.5mm/s | |
| Sensor coasting speed lr = 2.5 | Vt=1mm/s | |
| Sensor coasting speed, return | Vt=1mm/s | |
| Indication Error | Not more than +/- 10% | |
| Indication variability | Not more than 6% | |
| power supply | Built-in lithium-ion rechargeable battery, charged with DC5V, 800mA charger | |
| Dimension | 158x63.5x46mm | |
| weight | Approx. 300g | |
| Operating environment temperature | -20℃ ~ 40℃ | |
| Humidity of working environment | <90% RH | |
| Storage and transportation environment temperature | -40℃ ~ 60℃ | |
| Storage and transportation environment Humidity | <90% RH | |
| Display Range Ra, Rq | 0.005μm ~ 16μm | |
| Display Range Rz, R3z, Ry, Rt, Rp, Rm | 0.02μm ~ 160μm | |
| Display Range RSk | 0 ~ 100% | |
| Display Range RS, RSm | 1mm | |
| Display Range tp | 0 ~ 100% | |
